Audio alignment libraries moved to src/lib/audio/

[kdenlive] / testingArea / audioCorrelation.cpp

diff --git a/testingArea/audioCorrelation.cpp b/testingArea/audioCorrelation.cpp
deleted file mode 100644 (file)
index 96adab6..0000000
--- a/testingArea/audioCorrelation.cpp
+++ /dev/null
@@ -1,109 +0,0 @@
-#include "audioCorrelation.h"
-
-#include <QTime>
-#include <cmath>
-#include <iostream>
-
-AudioCorrelation::AudioCorrelation(AudioEnvelope *mainTrackEnvelope) :
-    m_mainTrackEnvelope(mainTrackEnvelope)
-{
-    m_mainTrackEnvelope->normalizeEnvelope();
-}
-
-AudioCorrelation::~AudioCorrelation()
-{
-}
-
-int AudioCorrelation::addChild(AudioEnvelope *envelope)
-{
-    envelope->normalizeEnvelope();
-
-    const int sizeMain = m_mainTrackEnvelope->envelopeSize();
-    const int sizeSub = envelope->envelopeSize();
-
-
-    AudioCorrelationInfo *info = new AudioCorrelationInfo(sizeMain, sizeSub);
-    int64_t *correlation = info->correlationVector();
-
-    const int64_t *envMain = m_mainTrackEnvelope->envelope();
-    const int64_t *envSub = envelope->envelope();
-    int64_t const* left;
-    int64_t const* right;
-    int size;
-    int64_t sum;
-    int64_t max = 0;
-
-
-    /*
-      Correlation:
-
-      SHIFT \in [-sS..sM]
-
-      <--sS----
-      [  sub  ]----sM--->[ sub ]
-               [  main  ]
-
-            ^ correlation vector index = SHIFT + sS
-
-      main is fixed, sub is shifted along main.
-
-    */
-
-
-    QTime t;
-    t.start();
-    for (int shift = -sizeSub; shift <= sizeMain; shift++) {
-
-        if (shift <= 0) {
-            left = envSub-shift;
-            right = envMain;
-            size = std::min(sizeSub+shift, sizeMain);
-        } else {
-            left = envSub;
-            right = envMain+shift;
-            size = std::min(sizeSub, sizeMain-shift);
-        }
-
-        sum = 0;
-        for (int i = 0; i < size; i++) {
-            sum += (*left) * (*right);
-            left++;
-            right++;
-        }
-        correlation[sizeSub+shift] = std::abs(sum);
-
-        if (sum > max) {
-            max = sum;
-        }
-
-    }
-    info->setMax(max);
-    std::cout << "Correlation calculated. Time taken: " << t.elapsed() << " ms." << std::endl;
-
-
-    m_children.append(envelope);
-    m_correlations.append(info);
-
-    Q_ASSERT(m_correlations.size() == m_children.size());
-
-    return m_children.indexOf(envelope);
-}
-
-int AudioCorrelation::getShift(int childIndex) const
-{
-    Q_ASSERT(childIndex >= 0);
-    Q_ASSERT(childIndex < m_correlations.size());
-
-    int indexOffset = m_correlations.at(childIndex)->maxIndex();
-    indexOffset -= m_children.at(childIndex)->envelopeSize();
-
-    return indexOffset;
-}
-
-AudioCorrelationInfo const* AudioCorrelation::info(int childIndex) const
-{
-    Q_ASSERT(childIndex >= 0);
-    Q_ASSERT(childIndex < m_correlations.size());
-
-    return m_correlations.at(childIndex);
-}